Banned! New York sends plastic bags packing

Consumerist mecca New York targets its throwaway culture this weekend with a ban on single-use plastic bags that has been years in the making and is still rare in America. | Continue reading


@phys.org | 50 minutes ago

How pest management strategies affect the bottom line

A study out of Mississippi State University evaluated the impact insect pest management strategies have on the economic return of small-scale tomato production. The results of this evaluation are published in the article "Economic Effect of Insect Pest Management Strategies on Sm … | Continue reading


@phys.org | 1 hour ago

Unraveling turbulence: New insights into how fluids transform from order to disorder

Turbulence is everywhere—it rattles our planes and makes tiny whirlpools in our bathtubs—but it is one of the least understood phenomena in classical physics. | Continue reading


@phys.org | 1 hour ago

Unique material could unlock new functionality in semiconductors

If new and promising semiconductor materials are to make it into our phones, computers, and other increasingly capable electronics, researchers must obtain greater control over how those materials function. | Continue reading


@phys.org | 12 hours ago

Physicists model the supernovae that result from pulsating supergiants like Betelgeuse

Betelgeuse has been the center of significant media attention lately. The red supergiant is nearing the end of its life, and when a star over 10 times the mass of the Sun dies, it goes out in spectacular fashion. With its brightness recently dipping to the lowest point in the las … | Continue reading


@phys.org | 12 hours ago

Hunter-gatherer networks accelerated human evolution

Humans began developing a complex culture as early as the Stone Age. This development was brought about by social interactions between various groups of hunters and gatherers, a UZH study has now confirmed. The researchers mapped the social networks of present-day hunter-gatherer … | Continue reading


@phys.org | 15 hours ago

Ultrafast probing reveals intricate dynamics of quantum coherence

Ultrafast, multidimensional spectroscopy unlocks macroscopic-scale effects of quantum electronic correlations. | Continue reading


@phys.org | 15 hours ago

Examining ice giants with NASA's Webb telescope

Far-flung Uranus and Neptune—the ice giants of our solar system—are as mysterious as they are distant. Soon after its launch in 2021, NASA's James Webb Space Telescope will change that by unlocking secrets of the atmospheres of both planets. | Continue reading


@phys.org | 16 hours ago

Innovative switching mechanism improves ultrafast control of microlasers

The all-optical switch is a kind of device that controls light with light, which is the fundamental building block of modern optical communications and information processing. Creating an efficient, ultrafast, and compact all-optical switch has been recognized as the key step for … | Continue reading


@phys.org | 16 hours ago

Reconfigurable chiral microlaser by spontaneous symmetry breaking

Coherent light sources are one of the most crucial foundations in both scientific disciplines and advanced applications. As a prominent platform, ultrahigh-Q whispering-gallery mode (WGM) microcavities have witnessed significant developments of novel light sources. However, the i … | Continue reading


@phys.org | 17 hours ago

Actin filaments control the shape of the cell structure that divides plant cells

Using microscopic video analysis, a research group from Kumamoto University, Japan has provided deeper insight into the mechanics of plant cell division. The video reveals that the shape of phragmoplasts—cell structures that create the partition between two dividing plant cells—i … | Continue reading


@phys.org | 17 hours ago

Study shows rapid sea level rise along Atlantic coast of North America in 18th century

The study, led by the University of York, found evidence for a period of enhanced pre-industrial sea-level rise of about two to three millimetres per year in three locations: Nova Scotia, Maine and Connecticut. | Continue reading


@phys.org | 17 hours ago

GPS for chromosomes: Reorganization of the genome during development

The spatial arrangement of genetic material within the cell nucleus plays an important role in the development of an organism. A research team from the University of Basel, in collaboration with scientists from Harvard University, has developed a method to trace the chromosomes i … | Continue reading


@phys.org | 17 hours ago

A dam right across the North Sea

A 475-km-long dam between the north of Scotland and the west of Norway and another one of 160 km between the west point of France and the southwest of England could protect more than 25 million Europeans against the consequences of an expected sea level rise of several metres ove … | Continue reading


@phys.org | 17 hours ago

Twisted 2-D material gives new insights into strongly correlated 1-D physics

Researchers from the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) in Hamburg, the RWTH Aachen University (both in Germany) and the Flatiron institute in the U.S. have revealed that the possibilities created by stacking two sheets of atomically thin materia … | Continue reading


@phys.org | 17 hours ago

Team develops biofuel production process in cooperation with North American researchers

Biofuel is often touted as a clean fuel, but the fact that it is made using food sources is a major drawback. To address this issue, there has been continuous research on the development of second-generation biofuels using lignocellulosic biomass. | Continue reading


@phys.org | 17 hours ago

SUWA: A hyperstable artificial protein that does not denature in high temperatures above 100C

Proteins denature, or "cook" in heat, irreversibly changing their structure, like how an egg boils or a slab of sirloin turns to steak. This prevents proteins from being used in applications where they would need to withstand heat. Scientists have had high expectations for protei … | Continue reading


@phys.org | 17 hours ago

Containing methane and its contribution to global warming

Methane is a gas that deserves more attention in the climate debate as it contributes to almost half of human-made global warming in the short-term. A new IIASA study shows that it is possible to significantly contribute to reduced global warming through the implementation of ava … | Continue reading


@phys.org | 18 hours ago

Genetic signature boosts protein production during cell division

A research team has uncovered a genetic signature that enables cells to adapt their protein production according to their state. The researchers of the University of Basel's Biozentrum report in Genome Biology that this newly discovered mechanism plays a role in the regulation of … | Continue reading


@phys.org | 18 hours ago

Scientists come up with nanoconcrete for casting under negative temperature conditions

Engineers from Far Eastern Federal University Military Training Center (FEFU, Vladivostok, Russia) together with colleagues from RUDN University have developed a concrete mixture with nano additives for monolithic construction up to ten stories high. The concrete casting is possi … | Continue reading


@phys.org | 18 hours ago

The enemy within: How a killer hijacked one of nature's oldest relationships

Researchers have discovered how a notorious pathogen may have hijacked one of nature's most enduring mutual relationships. | Continue reading


@phys.org | 18 hours ago

DNA discovery can lead to new types of cancer drugs

Cells can both survive and multiply under more stress than previously thought, shows research from the Faculty of Health and Medical Sciences. | Continue reading


@phys.org | 18 hours ago

An iron-clad asteroid

Itokawa would normally be a fairly average near-Earth asteroid—a rocky mass measuring only a few hundred metres in diameter, which orbits the sun amid countless other celestial bodies and repeatedly crosses the orbit of the Earth. But there is one fact that sets Itokawa apart: in … | Continue reading


@phys.org | 18 hours ago

Discovering what makes durian stink

Researchers at the Leibniz-Institute for Food Systems Biology at the Technical University of Munich (Leibniz-LSB@TUM) have confirmed the presence of the rare amino acid ethionine in a plant—or more precisely, in the fruit of the durian tree. Despite its pungent odor, durian is ve … | Continue reading


@phys.org | 19 hours ago

Cartilage cells, chromosomes and DNA preserved in 75 million-year-old baby duck-billed dinosaur

This study is lead by Dr. Alida Bailleul (Institute of Vertebrate Paleontology and Paleoanthropology, the Chinese Academy of Sciences) and Dr. Mary Schweitzer (North Carolina State University, NC Museum of Natural Sciences, Lund University and Museum of the Rockies). Microscopic … | Continue reading


@phys.org | 19 hours ago

Study: Anxious preschoolers have worse relationships with teachers

Children with sadness and anxiety are more likely to experience relationships that deteriorate with their preschool teachers, a University of Alberta researcher has found. | Continue reading


@phys.org | 19 hours ago

A 3-point plan to reach net-zero emissions by 2050

Every January Larry Fink, the head of the world's largest funds manager, BlackRock, sends a letter to the chief executives of major public companies. | Continue reading


@phys.org | 19 hours ago

New study reveals what fish are up to under the ice

Ever wondered how fish spend the winter? Using new technology, researchers from U of T Mississauga have taken a peek beneath the winter ice to reveal surprising new information about aquatic environments in winter. | Continue reading


@phys.org | 19 hours ago

Accidental discovery: Some cat food manufacturers regularly change ingredient composition

A study that set out to measure how much wildlife domestic cats eat to supplement the food they are given by their owners was unsuccessful due to an unexpectedly high variability in cat food ingredients. This accidental discovery suggests that some cat food manufacturers regularl … | Continue reading


@phys.org | 19 hours ago

Advancing gene therapies: PIP pip hurray!

A new compound has the potential to bind to DNA and activate genes, which could lead to new treatments for cancers and hereditary diseases. Zutao Yu, Ganesh Pandian Namasivayam, and Hiroshi Sugiyama of Kyoto University's Integrated Cell-Material Sciences (iCeMS) collaborated with … | Continue reading


@phys.org | 19 hours ago

A real life experiment illuminates the future of books and reading

Books are always transforming. The book we hold today has arrived through a number of materials (clay, papyrus, parchment, paper, pixels) and forms (tablet, scroll, codex, kindle). | Continue reading


@phys.org | 19 hours ago

Why philosophy is an ideal travel companion for adventurous minds

In 2019, there were 1.4 billion international tourist arrivals globally—and, given that the planet only holds 7.7 billion humans, this figure alone suggests that a lot of us are traveling. The World Tourism Organization reports two major motivations for this—"travel to change": t … | Continue reading


@phys.org | 19 hours ago

Helical quantum Hall phase in graphene on strontium titanate

Materials that exhibit topological phases can be classified by their dimensionality, symmetries and topological invariants to form conductive-edge states with peculiar transport and spin properties. For example, the quantum Hall effect can arise in two-dimensional (2-D) electron … | Continue reading


@phys.org | 19 hours ago

Video: Researching how microplastics can end up in farmland

Freya Radford is a PhD student in Geography and Environmental Science. She is researching micro-plastic pollution in agricultural land through organic fertilisers made from sewage sludge. | Continue reading


@phys.org | 19 hours ago

Plasma jet deceleration could be caused by the interaction with the stars

Manel Perucho, professor of the Department of Astronomy and Astrophysics at the University of Valencia has proposed an explanation for the origin of the deceleration of plasma jets (loss of speed along the matter and energy channels emanating from the central regions of an active … | Continue reading


@phys.org | 19 hours ago

The serendipitous discovery of a new green chemistry method

Dr. Petri Turhanen was working on a synthesis of a modified version of the biological molecule adenosine triphosphate (ATP), when he discovered that the cation exchange resin he was using was unintentionally producing another molecule. Closer investigation revealed that the molec … | Continue reading


@phys.org | 19 hours ago

Research reveals workplace safety and health implications of outsourcing

Workplace safety and health challenges from outsourcing across several sectors and industries have been revealed as part of a new study by Cranfield University. | Continue reading


@phys.org | 19 hours ago

Improved yields in African project areas

Only two years in, InnovAfrica-farmers practicing diverse maize-legume and Brachiaria grass production are experiencing increased yields. | Continue reading


@phys.org | 19 hours ago

Bandicoot digs: The little marsupial burrows that keep Australia's soil healthy

On Churchill Island, southeast of Melbourne, small cone-shaped, shallow holes (digs) puncture the grass. They're widespread, and reveal moist soil below the surface. A soil heap at the entrance of a dig is a sign it was made recently. | Continue reading


@phys.org | 19 hours ago

Australia's catastrophic fish die-off: What has happened since 2019

As this summer draws to a close, it marks just over a year since successive fish death events at Menindee in Lower Darling River made global headlines. | Continue reading


@phys.org | 19 hours ago

Climate change threatens relationship between polar bears and ringed seals

The iconic relationship between polar bears and ringed seals is changing in western Hudson Bay, and even though the bears are eating fewer ringed seals, the seals should refrain from celebrating. | Continue reading


@phys.org | 19 hours ago

Downplaying product greenness could increase sales

New research suggests that companies looking to promote their latest environmentally friendly product should downplay its green credentials if they want consumers to buy it. | Continue reading


@phys.org | 19 hours ago

Study reveals link between income inequality and French kissing

Income inequality may be linked to how often people French kiss, according to a worldwide study by Abertay University. | Continue reading


@phys.org | 19 hours ago

New study explains why superconductivity takes place in graphene

Graphene, a single sheet of carbon atoms, has many extreme electrical and mechanical properties. Two years ago, researchers showed how two sheets laid on top of each other and twisted at just the right angle can become superconducting, so that the material loses its electrical re … | Continue reading


@phys.org | 19 hours ago

Red pandas may be two different species - this raises some tough questions for conservation

Red pandas are not bears but they do mainly eat bamboo, like their much larger namesake the black and white giant panda. Officially classified as endangered, red pandas live across a stretch of the Himalayas and are in fact part of the same family as weasels and raccoons. Now, ad … | Continue reading


@phys.org | 19 hours ago

How a seasonal snarl-up in the mid-1500s gave us our strange rules for leap years

Happy February 29! It doesn't come round very often, so make sure you enjoy it. | Continue reading


@phys.org | 19 hours ago

Why is there any matter in the universe at all? New study sheds light

Scientists at the University of Sussex have measured a property of the neutron—a fundamental particle in the universe—more precisely than ever before. Their research is part of an investigation into why there is matter left over in the universe, that is, why all the antimatter cr … | Continue reading


@phys.org | 19 hours ago

Male-killing bugs hold key to butterflies' curious color changes

It is a spectacular butterfly breed with an intriguing back story—now scientists have revealed how male-killing bacteria are helping to create a dazzling hybrid of the African monarch. | Continue reading


@phys.org | 20 hours ago